At a market, the ratio of apricots to oranges was 5 : 9. After Pamela bought two-fifths of the oranges, there was a total of 156 apricots and oranges left at the market. How many fruits were there at first?
| |
Apricots |
Oranges |
Total |
Comparing apricots
and oranges at first |
5x5 =
25 u |
9x5 =
45 u |
70 u |
Before |
|
5x9 =
45 u |
|
Change |
|
- 2x9 =
- 18 u |
|
After |
25 u |
3x9 =
27 u |
156 |
The number of oranges at first is repeated. Make the number of oranges at first the same. LCM of 9 and 5 is 45.
Total number of fruits left
= 25 u + 27 u
= 52 u
52 u = 156
1 u = 156 ÷ 52 = 3
Number of fruits at first
= 25 u + 45 u
= 70 u
= 70 x 3
= 210
Answer(s): 210
